Klonopin( Clonazepam) is an FDA-approved medication. The medicine acts by affecting chemicals in the brain which may be unbalanced and thus cause anxiety. It is used for treating panic disorders or seizures. It can also be taken for other health conditions. The tablet should not be swallowed. It should be allowed to dissolve gradually in the mouth. As the tablet dissolves in your mouth, you should swallow a few times.